Finding the Fourth Proportional to 1,917.68, 2,871.05 and 1,300.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,917.68 : 2,871.05 = 1,300.06 : x
2. Step 2: Convert to fraction form
   1,917.68/2,871.05 = 1,300.06/x
3. Step 3: Cross multiply
   1,917.68x = 2,871.05 × 1,300.06
4. Step 4: Simplify right side
   1,917.68x = 3,732,526.16
5. Step 5: Solve for x
   x = 3,732,526.16/1,917.68
6. Step 6: Final answer
   x = 1,946.38